31 lines
1020 B
LLVM
31 lines
1020 B
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -basic-aa -newgvn -S | FileCheck %s
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;; Test that we do not infinite loop on this testcase, and that we do not try
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;; to replace the phi node argument with the result of the phi node.
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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define internal i32 @pr31491() {
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; CHECK-LABEL: @pr31491(
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; CHECK-NEXT: bb5:
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; CHECK-NEXT: br label %bb7
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; CHECK: bb7:
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; CHECK-NEXT: [[TMP:%.*]] = phi i8* [ [[TMP:%.*]]11, %bb10 ], [ undef, %bb5 ]
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; CHECK-NEXT: br label %bb10
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; CHECK: bb10:
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; CHECK-NEXT: [[TMP11:%.*]] = tail call i8* @patatino(i8* [[TMP]])
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; CHECK-NEXT: br label %bb7
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;
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bb5:
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br label %bb7
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bb7: ; preds = %bb10, %bb5
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%tmp = phi i8* [ %tmp11, %bb10 ], [ undef, %bb5 ]
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br label %bb10
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bb10: ; preds = %bb7
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%tmp11 = tail call i8* @patatino(i8* %tmp)
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br label %bb7
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}
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declare i8* @patatino(i8*)
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